Michael J. Cullen 1944 - 2020

Art.-Cullen (J)

The vestibulo-ocular reflex (VOR) produces a compensatory eye movement of equal and opposite amplitude to the motion of the head. This reflex effectively stabilizes the visual world on the retina for the wide range of head motions that are generated during daily activities1,2. However, primates can also voluntarily redirect their visual axes to new targets in their environment. Under natural co...

Michael J. Ryan

Michael J. Ryan is the Clark Hubbs Regents Professor in Zoology in the Section of Integrative Biology, University of Texas, Austin, USA, and a Research Fellow at the Smithsonian Tropical Research Institute in Panama. His main research has been on sexual selection and communication and his 1985 book The Túngara Frog: A Study of Sexual Selection and Communication has become a classic in that fiel...

Cullen, a Cautionary Tale

Some ideas return after the briefest of exiles: reductionism is back in vogue. Existential questions - about who we are, about our origins and future, about what is valuable - no longer require difficult soul searching, especially when straightforward answers are expected from the neurosciences. History is being rewritten with the brain as its centrepiece; the search for great men and big ideas...

J. Michael Homan, twenty-second editor of the Bulletin.

MICHAEL J. PELSMAJER Brief Research Summary (October 2007)

Mostly I study graph theory: sometimes more as mathematics (structural, extremal) and sometimes more as computer science (algorithms, complexity), although one often helps with the other, and I have interests (graph drawing, tree-width) that fall squarely in the middle of of the two fields. As for topics, I have not particularly specialized or restricted the types of problems I work on. Rather,...